Răspunsuri

2014-02-17T18:37:09+02:00
Aplici T. catetei => BC = (30*30)/18 = 50 cm;
AC iese cu T. Pitagora => AC = sqrt(50^2 - 30^2) = 40 cm;
AD = (AB*AC)/BC = 1200/50 =24 cm;
Bafta!
nu inteleg ce inseamna sqrt
Inseamna radical!
You are welcome!